new test file for posixpath module

Lib/test/test_posixpath.py

@@ -0,0 +1,42 @@
+import posixpath
+import string
+
+errors = 0
+
+def tester(fn, wantResult):
+	gotResult = eval(fn)
+	if wantResult != gotResult:
+		print "error!"
+		print "evaluated: " + str(fn)
+		print "should be: " + str(wantResult)
+		print " returned: " + str(gotResult)
+		print ""
+		global errors
+		errors = errors + 1
+
+tester('posixpath.splitdrive("/foo/bar")', ('', '/foo/bar'))
+
+tester('posixpath.split("/foo/bar")', ('/foo', 'bar'))
+tester('posixpath.split("/")', ('/', ''))
+tester('posixpath.split("foo")', ('', 'foo'))
+
+tester('posixpath.splitext("foo.ext")', ('foo', '.ext'))
+tester('posixpath.splitext("/foo/foo.ext")', ('/foo/foo', '.ext'))
+
+tester('posixpath.isabs("/")', 1)
+tester('posixpath.isabs("/foo")', 1)
+tester('posixpath.isabs("/foo/bar")', 1)
+tester('posixpath.isabs("foo/bar")', 0)
+
+tester('posixpath.commonprefix(["/home/swenson/spam", "/home/swen/spam"])',
+       "/home")
+tester('posixpath.commonprefix(["/home/swen/spam", "/home/swen/eggs"])',
+       "/home/swen")
+tester('posixpath.commonprefix(["/home/swen/spam", "/home/swen/spam"])',
+       "/home/swen/spam")
+
+if errors:
+	print str(errors) + " errors."
+else:
+	print "No errors.  Thank your lucky stars."
+